In the new continuity, the Empire's remaining forces are defeated fairly quickly at Jakku-an event shown in multiple Star Wars media (The Aftermath novels, Lost Stars, the Battlefront games, etc). Then there's pretty much almost three decades of the New Republic at (relative) peace, the remaining Imperial worlds either join the Republic or are disarmed, although the First Order forms in secret in the Unknown regions and there's some shakeups here. Luke and Han raise Kylo, and then he goes to Luke's academy, and Luke seems to spend a number of years piecing together what he can of the Jedi before teaching a new generation. Things start to go wrong only about five years prior to the beginning of the sequel trilogy, with Leia forming the resistance to counter the rise of the FO-mostly ignored by the Republic-and Ben's fall.
This kind of doesn't leave I think much creative room for future movies/TV shows/cartoons although it's certainly a lot of time. Most post-ROTJ works we have now pretty much stick close to the sequel trilogy (Poe Dameron, the upcoming Resistance) and we don't know too much about Favreau's show yet.
The original EU of course had the war stretched much further, with various attempts by the Imperial remnant to topple the New Republic that last for about fifteen years (and then the Vong and Swarm stuff happens), and Luke managing to get the Jedi up and running fairly early and for many years, although with of course it's own ups and downs. All naturally non-canon of course.
Now of course the creators of the new trilogy wanted to not have any of the old EU or having to read some kind of novel be a precedent (Which is kind of funny, since Abram's Trek film makes a bit more sense with the "Countdown" comic)....but "and then for a long time, nothing happened" just seems a bit on the boring side.